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![Pronounciation of
duplication](https://webarchive.library.unt.edu/web/20090509025505im_/https://www.genome.gov/Images/Glossary/Pronounciation/duplication.gif)
defined: |
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A particular kind of mutation: production of one or more copies of any piece of DNA, including a gene or even an entire chromosome.
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explained: |
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Listen to a detailed explanation. (Requires the free RealPlayer download)
Dr. William Pavan, of the National Human Genome Research Institute's Laboratory of Genetic Disease Research, defines duplication.
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illustrated: |
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View illustration
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related terms: |
![](https://webarchive.library.unt.edu/web/20090509025505im_/https://www.genome.gov/Images/spacer2.gif) |
cancer,
chromosome,
deoxyribonucleic acid (DNA),
gene,
genome,
mutation,
phenotype,
protein |
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